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tricu/lib/list.tri

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!import "base" !Local
_ = t
matchList = a b : triage a _ b
emptyList? = matchList true (_ _ : false)
head = matchList t (head _ : head)
tail = matchList t (_ tail : tail)
append_ self xs ys =
matchList
ys
(h r : pair h (self r ys))
xs
append = xs ys : y append_ xs ys
lExist?_ self x xs =
matchList
false
(h r : or? (equal? x h) (self x r))
xs
lExist? = x xs : y lExist?_ x xs
map_ self l f =
matchList
t
(h r : pair (f h) (self r f))
l
map = f l : y map_ l f
filter_ self l f =
matchList
t
(h r :
matchBool
(pair h (self r f))
(self r f)
(f h))
l
filter = f l : y filter_ l f
foldl_ self l f acc =
matchList
acc
(h r : self r f (f acc h))
l
foldl = f x l : y foldl_ l f x
foldr_ self l f x =
matchList
x
(h r : f (self r f x) h)
l
foldr = f x l : y foldr_ l f x
length_ self xs =
matchList
0
(_ r : succ (self r))
xs
length = xs : y length_ xs
reverse_ self xs acc =
matchList
acc
(h r : self r (pair h acc))
xs
reverse = xs : y reverse_ xs t
snoc_ self x xs =
matchList
(pair x t)
(h r : pair h (self x r))
xs
snoc = x xs : y snoc_ x xs
count_ self x xs =
matchList
0
(h r :
matchBool
(succ (self x r))
(self x r)
(equal? x h))
xs
count = x xs : y count_ x xs
last_ self xs =
matchList
t
(h r :
matchBool
h
(self r)
(emptyList? r))
xs
last = xs : y last_ xs
all?_ self pred xs =
matchList
true
(h r : and? (pred h) (self pred r))
xs
all? = pred xs : y all?_ pred xs
any?_ self pred xs =
matchList
false
(h r : or? (pred h) (self pred r))
xs
any? = pred xs : y any?_ pred xs
intersect = xs ys : filter (x : lExist? x ys) xs
nth_ self xs n i =
matchList
t
(h r :
matchBool
h
(self r n (succ i))
(equal? i n))
xs
nth = n xs : y nth_ xs n 0
headMaybe = matchList nothing (h _ : just h)
lastMaybe_ self xs =
matchList
nothing
(h r :
matchBool
(just h)
(self r)
(emptyList? r))
xs
lastMaybe = xs : y lastMaybe_ xs
nthMaybe_ self xs n i =
matchList
nothing
(h r :
matchBool
(just h)
(self r n (succ i))
(equal? i n))
xs
nthMaybe = n xs : y nthMaybe_ xs n 0
take_ self xs n i =
matchList
t
(h r :
matchBool
t
(pair h (self r n (succ i)))
(equal? i n))
xs
take = n xs : y take_ xs n 0
drop_ self xs n i =
matchBool
xs
(matchList
t
(_ r : self r n (succ i))
xs)
(equal? i n)
drop = n xs : y drop_ xs n 0
splitAt = n xs : pair (take n xs) (drop n xs)
concatMap_ self f xs =
matchList
t
(h r : append (f h) (self f r))
xs
concatMap = f xs : y concatMap_ f xs
find_ self pred xs =
matchList
nothing
(h r :
matchBool
(just h)
(self pred r)
(pred h))
xs
find = pred xs : y find_ pred xs
partition_ self pred xs trues falses =
matchList
(pair (reverse trues) (reverse falses))
(h r :
matchBool
(self pred r (pair h trues) falses)
(self pred r trues (pair h falses))
(pred h))
xs
partition = pred xs : y partition_ pred xs t t
strLength = length
strAppend = append
strEq? = equal?
strEmpty? = emptyList?
startsWith?_ self prefix input =
matchList
true
(ph pr :
matchList
false
(sh sr :
matchBool
(self pr sr)
false
(equal? ph sh))
input)
prefix
startsWith? = prefix input : y startsWith?_ prefix input
endsWith? = prefix str : startsWith? (reverse prefix) (reverse str)
contains?_ self needle haystack =
matchBool
true
(matchList
false
(_ r : self needle r)
haystack)
(startsWith? needle haystack)
contains? = needle haystack : y contains?_ needle haystack
linesFinish current accRev =
reverse (pair (reverse current) accRev)
lines_ self str accRev current =
matchList
(linesFinish current accRev)
(h r :
matchBool
(self r (pair (reverse current) accRev) t)
(self r accRev (pair h current))
(equal? h 10))
str
lines = str : y lines_ str t t
unlines_ self lines =
matchList
""
(h r : append h (append "\n" (self r)))
lines
unlines = lines : y unlines_ lines
wordsAdd current accRev =
matchBool
accRev
(pair (reverse current) accRev)
(emptyList? current)
words_ self str accRev current =
matchList
(reverse (wordsAdd current accRev))
(h r :
matchBool
(self r (wordsAdd current accRev) t)
(self r accRev (pair h current))
(equal? h 32))
str
words = str : y words_ str t t
unwords_ self words =
matchList
""
(h r :
matchBool
h
(append h (append " " (self r)))
(emptyList? r))
words
unwords = words : y unwords_ words
zipWith_ self f xs ys =
matchList
t
(xh xt :
matchList
t
(yh yt : pair (f xh yh) (self f xt yt))
ys)
xs
zipWith = f xs ys : y zipWith_ f xs ys
-- ---------------------------------------------------------------------------
-- View facts
--
-- Value-level metadata consumed by View tooling. These facts are ordinary Tree
-- Calculus data, not host-side assumptions and not part of the public stdlib
-- API exported by module manifests.
-- ---------------------------------------------------------------------------
viewFacts =
[(factsFact "matchList" factsTrusted
(factsForall [0 1]
(factsFn
[(factsVar 1)
(factsFn
[(factsVar 0) (factsList (factsVar 0))]
(factsVar 1))
(factsList (factsVar 0))]
(factsVar 1))))
(factsFact "emptyList?" factsTrusted
(factsForall [0]
(factsFn [(factsList (factsVar 0))] factsBool)))
(factsFact "tail" factsTrusted
(factsForall [0]
(factsFn [(factsList (factsVar 0))] (factsList (factsVar 0)))))
(factsFact "append" factsTrusted
(factsForall [0]
(factsFn
[(factsList (factsVar 0))
(factsList (factsVar 0))]
(factsList (factsVar 0)))))
(factsFact "lExist?" factsTrusted
(factsForall [0]
(factsFn [(factsVar 0) (factsList (factsVar 0))] factsBool)))
(factsFact "map" factsTrusted
(factsForall [0 1]
(factsFn
[(factsFn [(factsVar 0)] (factsVar 1))
(factsList (factsVar 0))]
(factsList (factsVar 1)))))
(factsFact "filter" factsTrusted
(factsForall [0]
(factsFn
[(factsFn [(factsVar 0)] factsBool)
(factsList (factsVar 0))]
(factsList (factsVar 0)))))
(factsFact "foldl" factsTrusted
(factsForall [0 1]
(factsFn
[(factsFn [(factsVar 1) (factsVar 0)] (factsVar 1))
(factsVar 1)
(factsList (factsVar 0))]
(factsVar 1))))
(factsFact "foldr" factsTrusted
(factsForall [0 1]
(factsFn
[(factsFn [(factsVar 1) (factsVar 0)] (factsVar 1))
(factsVar 1)
(factsList (factsVar 0))]
(factsVar 1))))
(factsFact "length" factsTrusted
(factsForall [0]
(factsFn [(factsList (factsVar 0))] factsByte)))
(factsFact "reverse" factsTrusted
(factsForall [0]
(factsFn [(factsList (factsVar 0))] (factsList (factsVar 0)))))
(factsFact "snoc" factsTrusted
(factsForall [0]
(factsFn [(factsVar 0) (factsList (factsVar 0))] (factsList (factsVar 0)))))
(factsFact "count" factsTrusted
(factsForall [0]
(factsFn [(factsVar 0) (factsList (factsVar 0))] factsByte)))
(factsFact "all?" factsTrusted
(factsForall [0]
(factsFn [(factsFn [(factsVar 0)] factsBool) (factsList (factsVar 0))] factsBool)))
(factsFact "any?" factsTrusted
(factsForall [0]
(factsFn [(factsFn [(factsVar 0)] factsBool) (factsList (factsVar 0))] factsBool)))
(factsFact "intersect" factsTrusted
(factsForall [0]
(factsFn [(factsList (factsVar 0)) (factsList (factsVar 0))] (factsList (factsVar 0)))))
(factsFact "headMaybe" factsTrusted
(factsForall [0]
(factsFn [(factsList (factsVar 0))] (factsMaybe (factsVar 0)))))
(factsFact "lastMaybe" factsTrusted
(factsForall [0]
(factsFn [(factsList (factsVar 0))] (factsMaybe (factsVar 0)))))
(factsFact "nthMaybe" factsTrusted
(factsForall [0]
(factsFn [factsByte (factsList (factsVar 0))] (factsMaybe (factsVar 0)))))
(factsFact "take" factsTrusted
(factsForall [0]
(factsFn [factsByte (factsList (factsVar 0))] (factsList (factsVar 0)))))
(factsFact "drop" factsTrusted
(factsForall [0]
(factsFn [factsByte (factsList (factsVar 0))] (factsList (factsVar 0)))))
(factsFact "splitAt" factsTrusted
(factsForall [0]
(factsFn
[factsByte (factsList (factsVar 0))]
(factsPair (factsList (factsVar 0)) (factsList (factsVar 0))))))
(factsFact "concatMap" factsTrusted
(factsForall [0 1]
(factsFn
[(factsFn [(factsVar 0)] (factsList (factsVar 1)))
(factsList (factsVar 0))]
(factsList (factsVar 1)))))
(factsFact "find" factsTrusted
(factsForall [0]
(factsFn
[(factsFn [(factsVar 0)] factsBool)
(factsList (factsVar 0))]
(factsMaybe (factsVar 0)))))
(factsFact "partition" factsTrusted
(factsForall [0]
(factsFn
[(factsFn [(factsVar 0)] factsBool)
(factsList (factsVar 0))]
(factsPair (factsList (factsVar 0)) (factsList (factsVar 0))))))
(factsFact "strLength" factsTrusted
(factsFn [factsString] factsByte))
(factsFact "strAppend" factsTrusted
(factsFn [factsString factsString] factsString))
(factsFact "strEq?" factsTrusted
(factsFn [factsString factsString] factsBool))
(factsFact "strEmpty?" factsTrusted
(factsFn [factsString] factsBool))
(factsFact "startsWith?" factsTrusted
(factsFn [factsString factsString] factsBool))
(factsFact "endsWith?" factsTrusted
(factsFn [factsString factsString] factsBool))
(factsFact "contains?" factsTrusted
(factsFn [factsString factsString] factsBool))
(factsFact "lines" factsTrusted
(factsFn [factsString] (factsList factsString)))
(factsFact "unlines" factsTrusted
(factsFn [(factsList factsString)] factsString))
(factsFact "words" factsTrusted
(factsFn [factsString] (factsList factsString)))
(factsFact "unwords" factsTrusted
(factsFn [(factsList factsString)] factsString))
(factsFact "zipWith" factsTrusted
(factsForall [0 1 2]
(factsFn
[(factsFn [(factsVar 0) (factsVar 1)] (factsVar 2))
(factsList (factsVar 0))
(factsList (factsVar 1))]
(factsList (factsVar 2)))))]